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WOFATI, an acronym for Woodland Oehler Freaky-cheap Annualized Thermal Inertia, is an innovative approach to sustainable building developed by permaculture expert Paul Wheaton. WOFATI structures are designed to be eco-friendly, utilizing locally sourced natural materials, primarily wood and earth. These structures are intended to be located on or near woodlands, promoting a harmonious integration with the natural surroundings. Annualized Thermal Inertia, a key element of WOFATI design, harnesses the thermal mass of the surrounding earth to provide passive heating in winter and cooling in summer, thereby minimizing the need for artificial temperature regulation. WOFATI structures are inspired by the work of Mike Oehler, a pioneer in earth-sheltered building known for his simple, "freaky-cheap" designs, which Wheaton has adapted and refined to further reduce construction costs. WOFATI buildings are typically characterized by a large gable roof on the downhill side, with at least 35% of the uphill wall featuring glass or other light-transmitting materials to maximize passive solar gain. Allerton Abbey, the first WOFATI structure, and Wofati 0.8 are both located at Wheaton Labs in Montana and serve as prominent examples of this unique building style.

WOFATI, an acronym for Woodland Oehler Freaky-cheap Annualized Thermal Inertia, represents an innovative approach to sustainable building, coined by permaculture expert Paul Wheaton. This building technique combines the affordability and simplicity of Mike Oehler’s earth-sheltered designs with Wheaton's focus on cost reduction and integration with the natural environment. WOFATI structures prioritize the use of readily available, natural materials, such as wood and earth, minimizing reliance on manufactured products and reducing the building's environmental footprint. Annualized Thermal Inertia, a key principle of WOFATI, utilizes the surrounding earth as a thermal mass, storing heat in the summer to warm the building during winter and retaining cool temperatures from winter to moderate summer heat, thereby minimizing energy consumption for heating and cooling. WOFATI designs typically feature large windows on the uphill side to maximize passive solar gain, further reducing energy needs. WOFATIs are intended to be situated on or near a woodland, embracing the concept of harmonious integration with nature. Notable examples of WOFATI structures, including Allerton Abbey and Wofati 0.8, can be found at Wheaton Labs in Montana.

Hugelkultur, meaning "hill culture" in German, is a sustainable gardening method that involves creating raised garden beds by burying wood under soil. This technique, described as "soil on wood," uses logs, branches, twigs, and even whole trees, which decompose and act as "a sponge to hold water". The decomposition process attracts beneficial microorganisms, creates air pockets, and releases nutrients, resulting in fertile soil that reduces or eliminates the need for irrigation and fertilization. Hugelkultur is a versatile technique that can be implemented on a small scale or on a large scale, even spanning nearly a kilometer. By utilizing wood that would otherwise be discarded, hugelkultur promotes environmental sustainability and aligns with permaculture principles, allowing gardeners to "grow a typical garden without irrigation or fertilization"

A berm shed is an innovative, earth-sheltered structure designed for storage, blending seamlessly into the landscape while offering practical benefits. This natural building technique utilizes readily available materials like logs and earth, minimizing environmental impact and cost. The berm shed's design, as described in the sources, features a sloping roof covered with soil, creating a natural berm that provides insulation and helps regulate temperature. The round wood timber framing techniques used in its construction, relying on logs rather than dimensional lumber, further enhance its sustainability and aesthetic appeal. The berm shed is often incorporated into permaculture designs, serving as a visual and sound barrier, enhancing privacy, and creating a microclimate for plant growth. Its construction involves earthworks, carefully shaping the surrounding landscape to create the berm and ensure proper drainage. The berm shed's unique design, combining natural materials and earth-sheltering principles, offers a durable, cost-effective, and aesthetically pleasing storage solution that integrates harmoniously with the surrounding environment.